FR705902A - Sound reproduction system - Google Patents

Sound reproduction system

Info

Publication number
FR705902A
FR705902A FR705902DA FR705902A FR 705902 A FR705902 A FR 705902A FR 705902D A FR705902D A FR 705902DA FR 705902 A FR705902 A FR 705902A
Authority
FR
France
Prior art keywords
sound reproduction
reproduction system
sound
reproduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Laszlo Kecskemeti Kaye
William Edward Harris
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR705902A publication Critical patent/FR705902A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B31/00Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR705902D 1930-07-08 1930-11-19 Sound reproduction system Expired FR705902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB705902X 1930-07-08

Publications (1)

Publication Number Publication Date
FR705902A true FR705902A (en) 1931-06-16

Family

ID=10494037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705902D Expired FR705902A (en) 1930-07-08 1930-11-19 Sound reproduction system

Country Status (1)

Country Link
FR (1) FR705902A (en)

Similar Documents

Publication Publication Date Title
FR657396A (en) Improvements to sound reproduction systems
FR711667A (en) Electro-acoustic delay device
FR638286A (en) Sound reproducer
FR705902A (en) Sound reproduction system
FR705640A (en) Improvement in the electric reproducers of sounds
FR664056A (en) Electrostatic sound reproducer
FR646684A (en) Sound reproduction
FR673659A (en) Sound reproducer
FR681077A (en) Sound reproduction system
FR735509A (en) Sound reproduction system
FR715456A (en) Advanced sound reproducer
FR716258A (en) Sound reproduction system using light
FR699474A (en) Improvements to sound reproduction systems
FR728270A (en) Sound clarifier
FR655145A (en) Sound reproducing diaphragm
FR714700A (en) Projection of sound through speaker
FR715564A (en) Improvements to sound reproduction systems
FR691075A (en) Improvements to sound reproducers
FR711686A (en) Electro-magnetic sound reproduction device
FR690133A (en) Orthophone device for sound emissions
FR653951A (en) Sound reproduction system
FR665534A (en) Sound reproducer
FR664057A (en) Electrostatic sound reproducer
FR691592A (en) Phonograph
FR683794A (en) Sound reproducer